57728577 has 8 divisors (see below), whose sum is σ = 77006560. Its totient is φ = 38468160.

The previous prime is 57728537. The next prime is 57728579. The reversal of 57728577 is 77582775.

57728577 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 57728577 - 2⁷ = 57728449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57728579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10377 + ... + 14937.

It is an arithmetic number, because the mean of its divisors is an integer number (9625820).

Almost surely, 2^57728577 is an apocalyptic number.

It is an amenable number.

57728577 is a deficient number, since it is larger than the sum of its proper divisors (19277983).

57728577 is a wasteful number, since it uses less digits than its factorization.

57728577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8783.

The product of its digits is 960400, while the sum is 48.

The square root of 57728577 is about 7597.9324161248. The cubic root of 57728577 is about 386.4829007708.

The spelling of 57728577 in words is "fifty-seven million, seven hundred twenty-eight thousand, five hundred seventy-seven".